1 files changed, 17 insertions, 0 deletions
diff --git a/3774/CH7/EX7.4/Ex7_4.sce b/3774/CH7/EX7.4/Ex7_4.sce
new file mode 100644
index 000000000..112ac9a80
--- /dev/null
+++ b/3774/CH7/EX7.4/Ex7_4.sce
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+// exa 7.4 Pg 204
+clc;clear;close;
+
+// Given Data
+d=75;// mm
+tau=50;// MPa
+sigma_c=75;// MPa
+printf('for key to be equally strong in shear & crushing - \n')
+b=d/4;// mm
+printf(' b= %.2f mm. Use b=20 mm.',b)
+b=20;//mm
+//2*b/t=sigma_c/tau for key to be equally strong in shear & crushing
+t=2*b/(sigma_c/tau);// mm
+printf('\n t=%.2f mm. Use t=27 mm',t)
+l= %pi*d**2/8/b;// mm (for key to be equally strong in shear as shaft)
+printf('for key to be equally strong in shear as shaft - \n')
+printf(' l=%.1f mm. Use l=115 mm',l)